8 Appendix
Ensure totally clean surfaces during mounting. Always use original Alfa Laval parts.
www.nord.com B1000-0713
-37-
SK 1S32 – SK 1S63
SK 1SU32 – SK 1SU63
SK 1SM31 – SK 1SM63
SK 1SI31 – SK 1SI75
SK 1SIS31 – SK 1SIS75
SK 1SMI31 – SK 1SMI75
SK 1SID31 – SK 1SID75
SK 1SIS-D31 – SK 1SIS-D63
SK 1SMID31 – SK 1SMID75
SK 2S32NB – SK 2S63NB
SK 2SU32NB- SK 2SU63NB
SK 2SM40 – SK 2SM63
SK 2SIS-D40 – SK 2SIS-D63
SK 2SID40 – SK 2SID63
SK 2SMID40 – SK 2SMID63
26
M3
M4
M6
M2
M5
M1
6. Appendix
-38- B1000-GB-0713
www.nord.com
6.2 Torque
values
Bolt Torques [Nm]
Size
Screw connections in the strength classes
Sealing
screws
Threaded
pin on
coupling
Screw
connections on
protective
covers
8.8
10.9
12.9
M4 3.2
5
6
-
-
M5 6.4
9
11
-
2
M6 11
16
19
-
-
6.4
M8 27
39
46
11
10
11
M10 53
78
91
11
17
27
M12 92
135
155
27
40
53
M16 230
335
390
-
-
92
M20 460
660
770
-
-
230
M24 790
1150
1300
80
-
460
M30 1600
2250
2650
170
-
M36 2780
3910
4710
-
-
M42 4470
6290
7540
-
-
G1¼
-
-
-
20
-
6.3 Troubleshooting
Gear unit malfunction
s
Fault
Possible cause
Remedy
Unusual running noises,
vibrations
Oil too low or
bearing damage or
toothed wheel damage
Consult NORD Service
Oil escaping from gear unit or
motor
Defective seal
Consult NORD Service
Oil escaping from
pressure vent
Incorrect oil level or incorrect,
contaminated oil or unfavourable
operating conditions
Oil change
Use oil expansion tank (Option
OA)
Gear unit becomes too hot
Unfavourable installation
conditions or gear unit damage
Consult NORD Service
Shock when switched on,
vibrations
Defective motor coupling or
loose gear unit mounting or
defective rubber element
Replace elastomer gear rim,
tighten motor and gear unit
fastening bolts, replace rubber
element
Drive shaft does not rotate
although motor is running
Fracture in gear unit or
defective motor coupling or
shrink disc slippage
Consult NORD Service
Attention!
Warning: shut do
w
n
the gear unit immediately sh
ould an
y
of the abov
e faults occur
!
67
Содержание ALTB-SB-20
Страница 1: ...ESE03056 EN6 2020 05 Original manual Instruction Manual ALTB SB 20...
Страница 2: ......
Страница 40: ...7 Parts list Service kits Ensure totally clean surfaces during mounting Always use original Alfa Laval parts 40...
Страница 43: ...8 Appendix Ensure totally clean surfaces during mounting Always use original Alfa Laval parts 8 3 WPS 43...
Страница 73: ...73...